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<p>[QUOTE=&quot;Paddy54, post: 8224483, member: 19250&quot;]Ive noticed Over the years lamination issues have been a major issues in coins from the early 1900&#039;s though the 1940&#039;s .</p><p>War nickels as well buffalos seem to have gas bubbles in the alloys&nbsp; that like vents on a volcano&nbsp; that allows the traped gasses to excape from the layers of medal.</p><p>I also always bring up is the war years a lot of machinist&nbsp; were used in other manufacturing needed for the war efforts.</p><p>Thus mint workers were not as trained , materials were rushed for completion. </p><p>And Im sure to a coin press operators.... it mattered not if the machine was spiting out washers or coins..it was about production .</p><p>I am also quite sure that quality control from both the mint and vendors whom supplied the platchets</p><p>Was little to none...again production.</p><p>The images of those bubbles just under the skin are caused by heat...just like how a clad quarter looks after heated by a torch.</p><p>Again a volcano gassing out ...the gasses traveling thoughout the medal until it breaks the surface and excapes.</p><p>Another way to explaine is&nbsp; water in the bottom of a deep oil frier.....as the oil heats to fry food...the water heaver than the oil sinks to the bottom...of the frier.</p><p>At 212 degrees&nbsp; f it turns to steam a gas that erupts though the hot oil causing the oil to explode.[/QUOTE]</p><p><br /></p>

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